Date: Tue, 3 Feb 2009 07:32:26 -0500 From: William Bulley <web@umich.edu> To: Warren Block <wblock@wonkity.com> Cc: Jerry McAllister <jerrymc@msu.edu>, Mel <fbsd.questions@rachie.is-a-geek.net>, freebsd-questions@freebsd.org Subject: Re: short-changed on SD card? Message-ID: <20090203123226.GB6430@dell1>
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According to Warren Block <wblock@wonkity.com> on Mon, 02/02/09 at 15:29: > > newfs_msdos(8) Learned something new there. Thanks! > It's generally not useful to slice/partition a small SD card. Without a > slice table, the whole device is just one slice. Agreed. I just want a big chuck of storage (in this case the 2.0 GB that I paid for, sigh...) and I don't care what format it is in. As I said, I am happy with FAT16 as long as I can use all (approximately) 2.0 GB of it. > Offhand I don't know if you can overwrite an existing slice table (boot > block) with just a 'newfs_msdos /dev/da1'. Probably. This is something I will try. > If not, you can just 'dd if=/dev/zero of=/dev/da1 bs=512 cnt=1' and then > do the newfs_msdos. Okay. This is worth a try. > If you plan to use that card in a camera, you are a little safer doing a > "full" or "low-level" format with the card in the camera. Some cameras > create and like not-quite-right filesystems. Older Canon cameras, for > instance. This is not for use in a camera. It is just a quick and dirty way for me to grab (about) 2.0 GB from one FreeBSD system and plop it onto another. > Finally, there are more than a few reports of SD cards with false > capacities bought on ebay. This SD card was purchased from a reputable firm in New York whose name you would recognize were I to mention it. I have had nothing but good experiences buying from them in the past (many years > four). Regards, web... -- William Bulley Email: web@umich.edu
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